Oval cannula for use in surgery



FIG. 1 is a front perspective view of a oval cannula for use in surgery in accordance with the new design;

FIG. 2 is a left side view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a front view thereof;

FIG. 6 is an enlarged bottom view thereof; and,

FIG. 7 is an enlarged top view thereof.

The broken line showing in FIG. 7 is included for the purpose of illustrating portions of the article and forms no part of the claimed design. 

The ornamental design for an oval cannula for use in surgery, as shown and described. 